#!/usr/bin/perl -w

# Copyright (C) 2000-2003 Simon Huggins
# header adds headers to messages like "Hi @F"

# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 59
# Temple Place, Suite 330, Boston, MA 02111-1307  USA

use strict;

my ($sig);

sub add_heading($) {
	my $msgfile = shift;
	my @msg;

	return if (not defined $cfg{'randhead'});
	
	open(HANDLE,$msgfile) or htagdie "$0: Cannot open $msgfile: $!\n";
	@msg = <HANDLE>;
	close(HANDLE);
	
	my $head =  @{$cfg{'randhead'}}[rand scalar @{$cfg{'randhead'}}];
	$head    =  subst_macros($head);
	
	my $i;
	for ($i=0; $i<scalar @msg; $i++) {
		next if $msg[$i] =~ /^.*:/;
		next if $msg[$i] =~ /^[ 	]/;
		last;
	}

	$msg[$i] = $msg[$i] . $head . "\n";

	open(HANDLE, ">$msgfile") or htagdie "$0: Cannot open $msgfile: $!\n";
	print HANDLE @msg;
	close(HANDLE);

}

process_msgbody $cfg{'msgfile'};
add_heading $cfg{'msgfile'} if defined $cfg{'name'};
return;